What is martial art leverage - Pramek's The Lever explains it all

Pramek.com presents The Lever
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Over an hour and a half of in depth, scientific based instruction on the physics of combat. Matt Powell, Pramek's founder, teaches the principles behind martial art in this action packed, fast moving, in depth video.
Included:
Biomechanics and biomechanical theory
Scientific theory and explanation of levers
Open chains vs closed structures
Wrist grabs - single and double
Tactics and strategies for street and sport fights
Parallelogram of Forces - how to break joints!
Arm grabs - upper and lower arm
Defense against chokes
Defense against grabs from behind using a lever
Defense against strikes using a lever
Defense against kicks using a lever
And so much more....
Available for download December 5th, join the Pramek newsletter for 20% off your purchase!